All files / composer-runtime-embedded/lib embeddedcontext.js

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/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
'use strict';
 
const Context = require('composer-runtime').Context;
const EmbeddedDataService = require('./embeddeddataservice');
const EmbeddedIdentityService = require('./embeddedidentityservice');
const EmbeddedEventService = require('./embeddedeventservice');
const EmbeddedHTTPService = require('./embeddedhttpservice');
const EmbeddedScriptCompiler = require('./embeddedscriptcompiler');
 
/**
 * A class representing the current request being handled by the JavaScript engine.
 * @protected
 */
class EmbeddedContext extends Context {
 
    /**
     * Constructor.
     * @param {Engine} engine The owning engine.
     * @param {Object} identity The current identity.
     * @param {EventEmitter} eventSink The event emitter
     * @param {InstalledBusinessNetwork} installedBusinessNetwork The installed business network
     * @param {Object} [additionalConnectorOptions] Additional connector specific options for this transaction.
     */
    constructor(engine, identity, eventSink, installedBusinessNetwork, additionalConnectorOptions = {}) {
        super(engine, installedBusinessNetwork);
        this.dataService = new EmbeddedDataService(engine.getContainer().getUUID(), false, additionalConnectorOptions);
        this.identityService = new EmbeddedIdentityService(identity);
        this.eventSink = eventSink;
        this.additionalConnectorOptions = additionalConnectorOptions;
    }
 
    /**
     * Get the data service provided by the chaincode container.
     * @return {DataService} The data service provided by the chaincode container.
     */
    getDataService() {
        return this.dataService;
    }
 
    /**
     * Get the identity service provided by the chaincode container.
     * @return {IdentityService} The identity service provided by the chaincode container.
     */
    getIdentityService() {
        return this.identityService;
    }
 
 
    /**
     * Get the event service provided by the chaincode container.
     * @return {EventService} The event service provided by the chaincode container.
     */
    getEventService() {
        if (!this.eventService) {
            this.eventService = new EmbeddedEventService(this.eventSink);
        }
        return this.eventService;
    }
 
    /**
     * Get the event service provided by the chaincode container.
     * @return {EventService} The event service provided by the chaincode container.
     */
    getHTTPService() {
        if (!this.httpService) {
            this.httpService = new EmbeddedHTTPService();
        }
        return this.httpService;
    }
 
    /**
     * Get the script compiler.
     * @return {ScriptCompiler} scriptCompiler The script compiler.
     */
    getScriptCompiler() {
        if (!this.scriptCompiler) {
            this.scriptCompiler = new EmbeddedScriptCompiler();
        }
        return this.scriptCompiler;
    }
 
    /**
     * Get the native api
     */
    getNativeAPI() {
        throw new Error('Native API not available in embedded runtime');
    }
 
}
 
module.exports = EmbeddedContext;